Lock.



R. J. KEPPEL.

LOOK.

APPLICATION IILBD 1111 19, 1011.

1,026,209. Patented May 14, 1912.

Gttowwq COLUMBIA PLANounAPn co, WASHINGTON, D. c.

UNTTED STATES PATENT OFFICE.

RICHARD J. KEPPEL, OF PHILADELPHIA, PENNSYLVANIA.

LOCK.

To all whom it may concern Be it known that I, RICHARD J. Knrrnt, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in Locks, of which the following is a specification.

My invention relates to improvements in locks, and more particularly to locks designed for use in connection with china closets and other similar articles of furniture, which is adapted to hold the latch in its holding position, or release the latch as may be desired.

A further object is to provide a lock of this character which may be made from sheet metal, which will be comparatively cheap to manufacture, and which may be used in connection with any ordinary form of pivoted latch to maintain the latch in its holding position, or permit the latch to move.

lVith these and other objects in view, the invention consists in certain novel features of construction and combinations and arrangements of parts, as will be more fully hereinafter described and pointed out in the claims.

In the accompanying drawings: Figure 1, is an exaggerated view in vertical section illustrating my improvements in position in a door. Fig. 2, is an end elevation of Fig. 1. Fig. 3, is a view in section on the line 33 of Fig. 1, and Figs. 4 and 5 are views in longitudinal section of the casing and barrel respectively;

1. represents a door, and 2 a door frame.

While my improvements are especially adapted for use in connection with china closets and other similar articles of furniture, they are in no wise limited to such a use, but may housed in connection with latches of various kinds.

Referring particularly to Fig. 1, it will be noted that the door is made with a relatively large opening 3, above a relatively small opening 4, and both of these openings at the outer face of the door are covered by an eseutcheon 5 forming an integral part of the handle 6, said eseutcheon and said handle being secured to the door by means of screws 7. Through the relatively smaller opening, the ordinary spring latch 8 pro- Specification of Letters Patent.

Application filed May 9, 1911.

Patented May 14, 1912.

Serial No. 625,986.

jects, and at its inner hooked end engages a keeper 9 secured to frame 2. Around the pivot pin 10 of the latch 8, a spring 11 is positioned, and normally holds the latch in position to engage the keeper, but said latch may be raised from such position by means of an outwardly projecting thumb hold 12. My improved lock is designed to secure the latch in its holding posit-ion shown in Fig. 1, and it comprises a cylindrical casing 13 in which a cylindrical barrel 14 has rotary mounting. One end of casing 13 is bent forming an annular flange 15 to limit the inward movement of the lock, and

the inner end of the casing is provided with a circular series of inwardly bent fingers 16, which afford a bearing for barrel 14. To also form a bearing for barrel 14, and to limit the turning movement of the latter, blocks 17 are secured to the inner face of casing 13, and their reduced inner ends 18 project into slots 19 in .barrel 14. These blocks therefore not only limit the rotary movement of the barrel, but they also prevent any longitudinal movement of the barrel in the casing.

One end of barrel 14 projects inwardly beyond casing 13, and is provided with a circular series of tongues 20, some of which project through slots 21 in a cam plate 22, while others are bent against the inner face of said cam plate, so that these tongues serve to rigidly hold the cam plate against the inner end of the barrel. This cam plate is positioned above latch 8, so that when in the position shown in Figs. 1, and 2, the cam plate prevents any upward movement of the inner end of the latch, and therefore securely locks the door in closed position.

On the inner end of the barrel 14, and disposed against eseutcheon 5 is a cap 23, which has rotary mounting on the barrel, and is provided with a key receiving slot 24, which registers with a circular opening 25 in the eseutcheon plate.

26, represents a key which is adapted to be positioned through the opening 25, and slot 24., and which is provided at its end with lugs 29 to enter openings 27 in cam plate 22. This key is guided into position by means of four inwardly bent spring tongues 28, which are out and stamped from the barrel 14. When the key is thus positioned, it will be noted that by turning the key, the barrel and cam plate may be turned either to move the cam plate to its locklng or unlocking position, and a turn in either direction from the position shown in Fig. 2, will permit the latch to be elevated.

A spring tongue 30 is secured to the 1nner face of casing 13 by means of a sharp pin 31. This sharp pin 31 projects through the casing, and is adapted when the-caslng is driven into the opening 3 to firmly hold the casing and prevent it from any rotary movement. The free end of tongue 30, has a lug 32 which bears into sockets 33 in barrel 14. One of these sockets is provided in a position to hold the barrel as shown in Figs. 1 and 2, and there are two other of these sockets 33 to hold the barrel in either of its unlocking positions. Furthermore, this spring tongue 30 acts as a friction device against the surface of the barrel, to prevent it from turning too easily.

It will be readily noted that key 26 may be provided with variously arranged lugs 29 to enter openings 27 to correspond with the lugs, so that a great many different kinds of keys may be utllized requirlng the use of the proper key for each lock.

It will be noted that the key when in locked position has its finger hold positioned vertically. This is intentional, so that any one will find it difficult to insert l11S or her thumb between the finger hold end of the key, and the thumb hold 12. This Wlll remind the operator that the door 1s locked, and will prevent him from bending or breaking the latch in attempting to open the door, and will further be of assistance in determining that the door is locked and the key removed when in thisposition.

Various slight changes might be made in the general form and arrangement of parts described Without departing from my invention, andhence I do not limit myself to the precise details set forth, but consider myself at liberty to make such changes and alterations as fairly fall within the spirit and scope of the appended claims.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

1. The combination with a door and a frame, a keeper secured to the frame and projecting into the door opening, a pivoted spring latch supported in the door and adapted to engage the keeper, and a lock supported in said door and comprising a cylindrical casing, a cylindrical barrel having rotary mounting in the casing, and. a latch engaging cam plate secured on the inner end of said barrel, said cam plate having openings therein, and tongues formed on the ends of the barrel projected through said openings in the cam plate and bent thereagainst, substantially as described.

2. The combination with a door and a frame, a keeper secured to the frame and projecting into the door opening, a pivoted spring latch supported in the door and adapted to engage the keeper, and a lock supported in said door and comprising a cylindrical casing, a cylindrical barrel having rotary mounting in the casing, said barrel having slots therein, blocks secured in the barrel and projecting into the slots limiting the rotary movement of the barrel, a latch engaging cam plate secured to the end of the barrel, said cam plate having openings therein, and tongues formed on the ends of the barrel projected through said openings in the cam plate and bent thereagainst, substantially as described.

3. The combination with a door and a frame, a keeper secured to the frame and projecting into the door opening, a pivoted spring latch supported in the door and adapted to engage the keeper, and a lock supported in said door and comprising a cylindrical casing, a cylindrical barrelhaving.

rotary mounting in the casing, a latch engaging cam plate secured on the inner end of said barrel, said cam plate having key receiving openings therein, a key adapted to be projected through the barrel and into said openings, and a spring tongue secured to the casing and frictionally engaging said barrel, substantially as described.

4. The combination with a door and a frame, a keeper secured to the frame and projecting into the door opening, a pivoted spring latch supported in the door and adapted to engage the'keeper, and a lock supported in said door and comprising a cylindrical casing, a cylindrical barrel having rotary mounting in the casing, said barrel having slots therein, blocks secured in the barrel and projecting into the slots limiting the rotary movement of the barrel, a latch engaging cam plate secured to the end of the barrel, said cam plate having key receiving openings therein, a key adapted to be projected through the barrel and into said openings, and a spring tongue secured to the casing and frictionally engaging said barrel, substantially as described.

.5. The combination with a door and a frame, a keeper secured 'to the frame and projecting into the door opening, a pivoted spring latch supported in the door and adapted to engage the keeper, and a lock supported in said door and comprising a cylindrical casing, a cylindrical barrel having 7 rotary mounting in the casing, a latch receiving cam plate secured on the inner end of said barrel, said cam plate having openings therein, tongues formed on the ends of the barrel projected through said openings in the cam plate and bent thereagainst, said cam plate having key receiving openings therein, a key adapted to be projected through the barrel and into said openings,

and a spring tongue secured to the casing and frictionally engaging said barrel, substantially as described.

6. The combination with a door and a frame, a keeper secured to the frame and projecting into the door opening, a pivoted spring latch supported in the door and adapted to engage the keeper, and a lock supported in said door and comprising a cylindrical casing, a cylindrical barrel having rotary mounting in the casing, said barrel having slots therein, blocks secured in the barrel and projecting into the slots limiting the rotary movement of the barrel, a latch engaging cam plate secured to the end of the barrel, said cam plate having openings therein, and tongues formed on the ends of the barrel projected through said openings in the cam plate and bent thereagainst, said cam plate having key receiving openings therein, a key adapted to be projected through the barrel and into said openings, and a spring tongue secured to the casing and frictionally engaging said barrel, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

RICHARD J. KEPPEL.

Witnesses R. H. KRENKEL, GI-IAs. E. Po'rrs.

copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

